Home / 259,903.38-358,668.36-152,475.78

Finding the Fourth Proportional to 259,903.38, 358,668.36 and 152,475.78

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Solution

The fourth proportional to 259,903.38, 358,668.36 and 152,475.78 is: 210,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,903.38 : 358,668.36 = 152,475.78 : x
  2. Step 2: Convert to fraction form
    259,903.38/358,668.36 = 152,475.78/x
  3. Step 3: Cross multiply
    259,903.38x = 358,668.36 × 152,475.78
  4. Step 4: Simplify right side
    259,903.38x = 54,688,237,952.32
  5. Step 5: Solve for x
    x = 54,688,237,952.32/259,903.38
  6. Step 6: Final answer
    x = 210,417.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.